213 results about "Ultrasonic machining" patented technology

The invention provides an ultrasonic straight-blade cutter wear test device and method, and aims to simulate and research a wear evolution rule of a cutter in ultrasonic machining. The ultrasonic straight-blade cutter wear test equipment comprises a cutting system, a positioning system, a holding system, a cutter system and a test system. The cutting system outputs linear reciprocating motion to simulate a low-frequency contact period of a hole grid and a cutter; the positioning system achieves accurate tool setting, and it is ensured that a tool is just in contact with a sample piece; the holding system is used for fixing and tensioning the sample piece and maintaining a stable cutting condition; the cutter system applies high-frequency vibration to the ultrasonic straight-edge cutter to simulate a high-frequency vibration period in actual ultrasonic machining; the testing system monitors the contact condition of the cutter and the sample piece in real time and records the abrasion behavior. According to the ultrasonic straight-blade cutter wear test equipment, by simulating the superposition effect of a low-frequency contact period and a high-frequency vibration period, the cutter wear rule in an ultrasonic machining environment is truly revealed, and powerful technical support is provided for prolonging the service life of a cutter and improving the performance of the cutter.

The invention discloses an efficient cooling grinding wheel applied to ultrasonic machining, and relates to the technical field of ultrasonic auxiliary grinding machining tools, the efficient cooling grinding wheel comprises an upper ultrasonic grinding wheel base rod and a lower ultrasonic grinding wheel grinding head, and the ultrasonic grinding wheel base rod and the ultrasonic grinding wheel grinding head are of an integrated structure; the interior of the ultrasonic grinding wheel base rod is hollow and extends to the bottom of the ultrasonic grinding wheel grinding head without penetrating, the interior of the ultrasonic grinding wheel base rod is in threaded connection or interference fit with a sleeve, the interior of the sleeve is hollow and serves as a main cooling liquid flow channel, the diameter of the interior of the sleeve is the main cooling liquid flow channel, and the diameter of the main flow channel can be changed; a plurality of round holes are formed in the grinding wheel grinding head to serve as cooling liquid flow channels of the grinding head, inlets of the cooling liquid flow channels of the grinding head are connected with the tail end of the main cooling liquid flow channel, outlets of the cooling liquid flow channels of the grinding head are located at the machining position in the grinding process, and cooling liquid grooves are machined in the cooling liquid outlets of the grinding head. And inner cavities of the main cooling liquid flow channel and the grinding head cooling liquid flow channel are provided with rifling structures with variable screw pitches and variable number.

According to the method for regulating and controlling the stability amplitude through the ultrasonic power source, the output of the ultrasonic power source is dynamically adjusted through intelligent control and a feedback mechanism, the amplitude of the transducer is stable under different loads, and the machining precision and efficiency are improved. An equivalent model is constructed through a power supply output characteristic equation and a dynamic response relationship, voltage, current and mechanical information are monitored in real time by combining a high-precision sensor, expected power output is predicted by applying a neural network after deep preprocessing, a power error is calculated by using a PID algorithm, and power supply output is dynamically adjusted. According to the method, through continuous feedback and correction, it is ensured that the amplitude of the system is reasonable and stable under the complex working condition, the stability and applicability of the ultrasonic transducer system are remarkably enhanced, and the method is particularly suitable for ultrasonic machining equipment in the complex load environment.

The utility model relates to the field of workpiece surface machining, and discloses an ultrasonic machining assembly, a finishing machining device and a finishing machining system.The ultrasonic machining assembly comprises a support; the transducers are used for converting the high-frequency electric energy into high-frequency mechanical vibration; the vibration commutator is arranged on the support, the outer periphery of the vibration commutator is connected with a plurality of transducers which are sequentially arranged at intervals in the circumferential direction, and the vibration commutator is used for converting high-frequency mechanical vibration of the transducers into high-frequency mechanical vibration in the axial direction of the vibration commutator; and the processing roller is rotatably connected to the axial outer end of the vibration commutator and is used for carrying out ultrasonic rolling processing on the surface of the workpiece. Due to the fact that ultrasonic energy acts on the surface of the workpiece, the surface of the workpiece can generate plastic deformation to introduce residual stress, the microstructure of the surface of the workpiece is changed, the effects of finishing machining and surface strengthening can be achieved at the same time, the quality of the surface of the workpiece can be effectively controlled, and the hardness of the surface of the workpiece can be effectively improved.

The invention provides a multi-modal ultrasonic machining closed-loop control system and method based on online detection feedback, and the system is provided with a dual-frequency combined machining module, a multi-modal monitoring array and a calculation controller, and deeply integrates ultrasonic machining, online detection and an intelligent control system. The surface forming quality and the material removal rate of a workpiece are judged according to vibration data, collected in real time, of a machining tool and received ultrasonic reflected waves, and the amplitudes and the vibration phases of a coaxial longitudinal / torsional vibration generator, a first ultrasonic generator and a second ultrasonic generator are regulated and controlled through an ultrasonic integrated circuit according to the judgment result. The dual-frequency composite vibration mode of the coaxial longitudinal / torsional vibration generator is regulated and controlled; real-time quality monitoring and closed-loop self-adaptive regulation and control in the machining process are achieved, the machining precision and the surface forming quality can be remarkably improved, meanwhile, accumulation of size errors is effectively restrained, the part machining precision and efficiency are improved, the service life of a tool is prolonged, and the system stability and the intelligent level are improved.

The invention relates to a longitudinal-torsional composite ultrasonic cutter handle machining system which comprises a cutter body, a transducer, a longitudinal vibration source, a torsional vibration source and a wireless module. According to the system, the longitudinal vibration source and the torsional vibration source are directly installed in the inner concave ring at the tail end of the tool body and are tightly matched with the tool, efficient transmission of vibration energy is ensured, the needed longitudinal and torsional amplitude proportion is automatically adjusted through the wireless module, and therefore the operation flexibility and the adaptability of the system are improved. Therefore, the problems that in the prior art, the proportion of longitudinal vibration and torsional vibration is fixed, torsional vibration cannot be adjusted independently, the torsional angle and amplitude are limited, and structural fatigue is caused are solved, and the adaptability and efficiency of ultrasonic machining are improved.

The invention relates to the field of workpiece surface machining, and discloses an ultrasonic machining assembly, a finishing machining device and a finishing machining system.When the ultrasonic machining assembly is adopted for machining the surface of a workpiece, high-frequency electric energy needs to be input into a plurality of transducers, so that the transducers convert the high-frequency electric energy into high-frequency mechanical vibration; the vibration reverser can absorb and collect high-frequency mechanical vibration of the transducers and convert the high-frequency mechanical vibration into high-frequency mechanical vibration in the axial direction of the vibration reverser, so that the machining roller connected to the axial outer end of the vibration reverser can conduct ultrasonic rolling machining on the surface of the workpiece, and therefore the surface quality of the workpiece can be effectively controlled, and the machining efficiency is improved. And the surface hardness of the workpiece can be effectively improved. In addition, the machining roller is arranged at the maximum amplitude position of the vibration reverser and can achieve high-power output, so that the plastic hardening effect of the surface of the workpiece is further improved, and the finishing machining efficiency of the workpiece is improved.

The invention relates to the technical field of ultrasonic machining, and discloses ultrasonic deep hole machining equipment which comprises a storage assembly, a storage piece, a material storage frame, an inclined face frame, a guide block, a push plate, a supporting box, an inclined face plate and a first spring, the supporting box is fixed to the bottom of the material storage frame, and the inclined face frame is connected with the bottom of the supporting box; and the guide block is fixed at the top of the inclined plane frame. The automatic feeding device has the beneficial effects that workpieces are intensively placed in the material box during machining, the workpieces can be automatically fed during machining, manual one-by-one carrying is not needed, the materials can be conveyed to the machining position, compared with the situation that only one workpiece can be manually carried at a time, and the speed is limited, the feeding time can be greatly shortened, and the machining efficiency is improved. The equipment can be more compactly connected with machining procedures, the idle waiting time is shortened, the machining capacity of the equipment is fully played, and when no workpiece exists in the material box, the feeding mechanism can automatically stop without manual start and stop.

The invention discloses a contact type electric energy transmission ultrasonic machine tool machining device which comprises a machine tool electric spindle, an ultrasonic cutter handle, an ultrasonic cutter, a support and a conductive assembly, the ultrasonic cutter handle is provided with two copper rings electrically connected to an ultrasonic vibrator of the ultrasonic cutter, and the conductive assembly is installed on the lower portion of the support and comprises two carbon fiber bundles. And the two carbon fiber bundles are respectively contacted with the two copper rings. During ultrasonic machining, the electric spindle of the machine tool drives the ultrasonic cutter handle to rotate at a high speed and drives the ultrasonic cutter to rotate, the carbon fiber bundle is electrically connected to an external ultrasonic power source, and the carbon fiber bundle supplies power to the ultrasonic vibrator by making contact with the copper ring, so that the ultrasonic vibrator generates ultrasonic vibration, and ultrasonic machining is achieved. According to the contact type electric energy transmission ultrasonic machine tool machining device, the carbon fiber bundles are arranged to make contact with the copper rings to supply power to the ultrasonic vibrators, due to the characteristics of abrasion resistance, softness and high conductivity of carbon fibers, the carbon fiber bundles can keep good contact with the copper rings all the time, and the purposes of reducing abrasion and improving electric energy transmission stability are achieved.

The invention discloses an LCC-S compensation network parameter optimization method and system for a rotary ultrasonic machining system. The method comprises the following steps: S1, obtaining equivalent parameters LP, LS, MPS, RP and RS of a loose coupling transformer, and equivalent electromechanical parameters L1, C1, R1 and C0 of an ultrasonic vibrator under a variable load condition; s2, constructing a rotary ultrasonic machining RUM system equivalent circuit model comprising an LCC-S compensation network; s3, LCC-S compensation network parameters are configured; s4, taking the frequency deviation, the output power and the transmission efficiency of the RUM system under the variable load condition as objective functions of the multi-objective optimization model; s5, taking no-load resonant frequency matching, a design variable range and compensation element stress as constraint conditions of the multi-objective optimization model; and S6, determining an optimal design variable and compensation network parameter combination. The problem that the resonant frequency deviation of a traditional static compensation network is large under the variable load condition is effectively solved, and the load adaptability of the LCC-S compensation network is remarkably improved.

The invention discloses an ultrasonic combined machining system and an ultrasonic machining method.The ultrasonic combined machining system comprises a tool combination assembly, a tool rest is used for being connected with a spindle of a numerical control lathe, and the tool combination assembly comprises the tool rest, an ultrasonic turning tool assembly and an ultrasonic surface strengthening assembly; the tool rest is provided with a first installation position used for installing an ultrasonic turning tool assembly, a second installation position used for installing an ultrasonic surface strengthening assembly, and a first power interface electrically connected with the first installation position and used for being electrically connected with an ultrasonic power generator. The second power interface is electrically connected with the second mounting position and is used for being electrically connected with an ultrasonic power generator; the gas path interface is communicated with the second mounting position and is used for being connected with a gas source; and a preset axial distance is formed between the output end of the ultrasonic turning tool assembly mounted at the first mounting position and the output end of the ultrasonic surface strengthening assembly mounted at the second mounting position. While ultrasonic turning forming machining is achieved, strengthening machining of the surface of the part is achieved through ultrasonic surface strengthening.

The utility model discloses a circular cutter for ultrasonic machining, which comprises a cutter body, the cutter body comprises a disc-shaped cutter body and a connecting part which is arranged on one side of the cutter body and is used for being connected with a machine tool spindle, the connecting part and the cutter body are coaxially arranged, a cutting edge is arranged on the outer ring of the cutter body, and the cutting edge is arranged on the outer ring of the cutter body. A horizontally-arranged cutting edge plane is arranged on the side, away from the connecting part, of the cutting edge, and an obliquely-arranged cutting edge slope is arranged on the side, close to the connecting part, of the cutting edge. The cutter body is in the disc shape and can be used for cutting in any direction, the cutting edge plane of the cutting edge can be used for being attached to a workpiece, lifting and pulling of the cutter body to the machined workpiece in the machining process are reduced, the cutting edge inclined face on the upper side can facilitate stripping of cut waste materials, and the inwards-concave arc face arranged on the lower side of the cutter body can reduce the contact face of the cutter and the workpiece. And friction and heating of the cutter can be reduced.

The present invention relates to an ultrasonic processing method for joining layers of a compressible material or to an ultrasonic processing device for carrying out the method, wherein at least three superimposed layers of a material or different materials, namely an outer layer, an inner layer and a middle layer, wherein at least one of the at least three layers comprises a compressible material, and a sonotrode which can be excited by an ultrasonic vibration are provided, wherein the sealing surface of the sonotrode is brought into contact with the outer layer and the sonotrode is moved in the direction of the inner layer with a feed force, such that the superimposed layers are compressed by the feed force, wherein the feed force and / or a vibration amplitude of the ultrasonic vibration is selected such thatthat the outer layer is connected to at least one middle layer adjacent to the outer layer, but not all of the at least three superimposed layers are connected to each other.

The invention relates to the technical field of ultrasonic machining, in particular to an ultrasonic cutting system, a machine tool and a frequency matching method.The ultrasonic cutting system comprises a power source and an ultrasonic cutting device, the ultrasonic cutting device comprises a transducer and a variable-amplitude assembly, and the variable-amplitude assembly comprises an amplitude-change pole and a tool; the transducer, the amplitude-change pole and the cutter are sequentially connected along a first direction; when the ultrasonic cutting system is in a resonant state, the frequency of an electric signal input into the transducer by the power supply is within a theoretical resonant frequency range, and Hertz is the theoretical resonant frequency, determined through the resonant length of the amplitude-change pole and the resonant length of the cutter, of the amplitude-change assembly. Therefore, when the system works, the frequency of the electric signal input into the transducer by the power supply is in a theoretical resonant frequency range, so that the energy conversion efficiency can be improved, and the energy loss can be reduced; in addition, the efficiency of the system reaching the resonance state can be improved, and the problem that the transducer is damaged due to heating is avoided.

The present application relates to the technical field of ultrasonic machining, and particularly relates to an ultrasonic plunge-cut tool and an ultrasonic machining device. The ultrasonic plunge-cut tool provided by the present application comprises a connecting assembly, a tool main body and a chip removal assembly. The tool main body is internally provided with a chip removal channel. The end of the chip removal channel at the first end of the tool main body forms a cutting edge. The second end of the tool main body is detachably fixed on the connecting assembly, so that the tool main body can be conveniently replaced, and the cost is reduced. The chip removal assembly is rotatably arranged on the connecting assembly around an axis and located in the chip removal channel. The chip removal assembly can be elongated or shortened along the extension direction of the chip removal channel, so that the cutting chips in the chip removal channel can be discharged, and the cutting chips do not need to be manually cleaned, and the machining efficiency is improved. The ultrasonic machining device provided by the present application applies the above ultrasonic plunge-cut tool, facilitates cutting machining, is convenient for replacing the tool main body, does not need to manually clean the cutting chips, and has high machining efficiency.

The application relates to the technical field of ultrasonic machining, and particularly provides a machining device for assisting ultrasonic machining and an ultrasonic machining system, wherein the machining device comprises a transducer, a vibration conducting element and a fluid tank; the connecting part of the vibration conducting element is installed on the mounting part of the transducer, and the vibration area of the vibration conducting element is installed in the fluid tank; the fluid medium injected in the fluid tank covers the vibration conducting element and a workpiece on a positioning jig in the fluid tank; the vibration conducting element is used for concentrating and amplifying the vibration energy output by the transducer and for conducting the concentrated and amplified vibration energy to the fluid medium of the fluid tank, so that the fluid medium in the fluid tank drives the workpiece to vibrate at high frequency and ultrasonic cavitation is generated. The machining device of the application concentrates and amplifies the vibration energy output by the transducer through the vibration conducting element, ultrasonic cavitation is generated when the concentrated and amplified vibration energy is conducted to the fluid medium of the fluid tank, and the machining efficiency of the assisted ultrasonic machining can be effectively improved.

The present invention relates to the technical field of manufacturing equipment, and specifically to an ultrasonic processing device for high-hardness and brittle materials, comprising an ultrasonic electric spindle, the ultrasonic electric spindle comprising a rotating shaft, the rotating shaft comprising an amplitude-changing section and an adjustment section; the amplitude-changing section comprising a transition cylinder; the transition cylinder comprising a first transition cylinder and a second transition cylinder, which, when mounted by connecting bolts, form an annular groove between the two, in which an annular piezoelectric plate is mounted; the upper surface of the second transition cylinder comprises a load-bearing bolt for mounting an ultrasonic component; the lower surface of the adjustment section comprises an adjustment groove, in which a counterweight ball and an electro-hydraulic adjustment member are located. The ultrasonic electric spindle further comprises a control unit and a power supply unit, the control unit analyzing the axial force exerted on the tool and controlling the electrical conduction of the electro-hydraulic adjustment member. The present invention can dynamically adjust the resonance parameters of the ultrasonic spindle based on the real-time force data of the tool during actual machining, thereby improving machining efficiency and quality.

The application provides an ultrasonic machining tool holder assembly quality detection method, device, equipment and medium, and relates to the technical field of ultrasonic machining. The ultrasonic machining tool holder assembly quality detection method comprises the following steps: acquiring an assembly quality detection graph generated by an impedance analyzer by sweeping frequency on a non-contact ultrasonic tool holder in a no-load state; determining an assembly quality detection result between a tool holder body and a transducer and / or an assembly quality detection result between a non-contact electric energy transmission device secondary side and the transducer according to a comparison result between the assembly quality detection graph and a preset target graph; wherein the non-contact ultrasonic tool holder comprises a machining tool holder and the non-contact electric energy transmission device; and the machining tool holder comprises the tool holder body and the transducer. The application can accurately determine the assembly quality of the non-contact ultrasonic tool holder.

The invention relates to the technical field of machining centers, in particular to a multi-axis ultrasonic machining center which comprises a base, a stand column, a workbench system, an X-axis transmission system, a Y-axis transmission system, a Z-axis transmission system, a built-in tool magazine, a tool arm type tool magazine, a spindle box and an ultrasonic cutting spindle. The Z-axis transmission system is installed on the Y-axis transmission system, the spindle box is installed on the Z-axis transmission system, the X-axis transmission system is installed on the base, the workbench system is installed on the X-axis transmission system, the tool arm type tool magazine is installed on the stand column, and the workbench system comprises a sliding platform, a base platform, an inverted cone device, a magnetic attraction device and a workpiece fixing plate. The sliding platform is installed on the X-axis transmission system, the base platform is installed on the sliding platform in a locked mode, the back taper device is installed on the base platform, the magnetic attraction device is attracted to the back taper device, and the workpiece fixing plate is installed on the magnetic attraction device. The machining precision is high, and the service life is long.

A method is provided for machining a workpiece. During this machining method, an aperture is formed in the workpiece using a machining system. The machining system includes an ultrasonic machining device, a slurry delivery device and a controller. The forming of the aperture includes delivering a slurry to an interface between the ultrasonic machining device and the workpiece using the slurry delivery device, and transmitting ultrasonic vibrations into the slurry using the ultrasonic machining device. A feedback parameter is monitored during the forming of the aperture using the controller. A slurry delivery parameter for the slurry delivery device is adjusted during the forming of the aperture based on the feedback parameter using the controller.

The utility model discloses an ultrasonic machining auxiliary device and an ultrasonic machining system.The ultrasonic machining auxiliary device comprises a base, an ultrasonic controller, at least one ultrasonic transmitter and at least one clamp assembly, the at least one ultrasonic transmitter and the at least one clamp assembly are installed on the upper surface of the base, the installation positions of the ultrasonic transmitters correspond to the positions of the clamp assemblies, and the ultrasonic transmitters are electrically connected with the ultrasonic controller. Each clamp assembly is used for clamping an ultrasonic knife handle, and each ultrasonic transmitter is used for transmitting an ultrasonic signal to each ultrasonic knife handle. The ultrasonic machining auxiliary device and the ultrasonic machining system can assist a common machine tool in rapidly achieving ultrasonic machining and can visually and efficiently display ultrasonic products.

This application relates to the field of machining technology, and discloses an ultrasonic tool holder, ultrasonic machining equipment, and machine tool. The ultrasonic tool holder includes: a tool body assembly, at least a portion of which has a first friction region on its outer peripheral wall; and a fixing assembly, within which the tool body assembly is disposed, and a braking mechanism is installed. The braking mechanism includes a friction element, and is adapted to switch between a first trigger state and a second trigger state. The friction element has a second friction region. In the first trigger state, the friction element is driven to contact the second friction region with the first friction region to brake the tool body assembly; in the second trigger state, the friction element is driven to space the second friction region from the first friction region to form a gap to unlock the tool body assembly. By utilizing the frictional force between the first and second friction regions to brake the tool body assembly and the fixing assembly, and by employing non-rigid contact between the braking mechanism and the tool body assembly, the wear rate of the braking mechanism can be reduced.

This application relates to the field of machining technology, and discloses an ultrasonic tool holder, ultrasonic machining equipment, and machine tool. The ultrasonic tool holder includes: a tool body and a connecting sleeve. The tool body has a second end and a first end arranged opposite to each other in a front-rear direction. The first end is adapted to be connected and fitted with a spindle, and the second end has a mounting cavity for accommodating a transducer. A wireless receiving unit is provided on the outer periphery of the tool body. The connecting sleeve is connected to the second end and arranged coaxially with the tool body. An outer shell is fitted onto the outer periphery of the connecting sleeve through a bearing, wherein the inner diameter of the bearing is less than or equal to the outer diameter of the second end. Therefore, by placing the bearing between the connecting sleeve and the outer shell, the bearing does not occupy the outer periphery space of the tool body, which reduces the axial dimension of the tool body, thereby improving the rigidity of the tool body and reducing the overall axial dimension of the ultrasonic tool holder. It also increases the structural dimensions of the transducer and reduces the radial dimension of the bearing, thereby improving ultrasonic machining performance.

The utility model relates to the technical field of machining, and discloses a movable support and a machining system.The support comprises a horizontal air cylinder, an adjusting module, a mounting module and a connecting plate, the horizontal air cylinder is movably connected with the adjusting module, and the adjusting module is connected with a wireless power supply module; a mounting module is further arranged on the horizontal air cylinder, a connecting plate is arranged on the mounting module, and a set included angle is formed between the connecting plate and the axis of the horizontal air cylinder; the wireless power supply module can be reliably matched with a machine tool spindle to be installed, the installation requirements of different machine tool working conditions are met, the wireless power supply module can be reliably driven to move horizontally, the wireless power supply module is matched with an ultrasonic cutter handle, wireless electric energy transmission and ultrasonic machining are achieved, the structure is simple, the function is reliable, and installation and matching are convenient.

A method is provided for machining a workpiece. During this machining method, an aperture is formed in the workpiece using a machining system. The machining system includes an ultrasonic machining device, a slurry delivery device and a controller. The forming of the aperture includes delivering a slurry to an interface between the ultrasonic machining device and the workpiece using the slurry delivery device, and transmitting ultrasonic vibrations into the slurry using the ultrasonic machining device. A feedback parameter is monitored during the forming of the aperture using the controller. A slurry delivery parameter for the slurry delivery device is adjusted during the forming of the aperture based on the feedback parameter using the controller.

The invention relates to a mechanical arm ultrasonic grinding and drilling bone grinding mechanical model construction method and device, a medium and equipment, and the method comprises the steps: obtaining an ultrasonic machining motion model of ultrasonic grinding and drilling bone grinding according to the motion process of ultrasonic grinding and drilling grinding; according to the ultrasonic machining motion model, a finite element analysis model of ultrasonic abrasive drill bone grinding is established, and then the bone density, the vibration amplitude of a cylindrical abrasive drill of ultrasonic equipment and the influence rule of the feeding speed on the grinding force are obtained; and according to the finite element analysis model, a mechanical model of ultrasonic bone grinding and drilling is established, and then mathematical characterization among the grinding force, the vibration amplitude and the feeding speed is obtained. According to the mechanical arm ultrasonic grinding, drilling and grinding mechanical model, the dynamic relation among ultrasonic vibration parameters, mechanical arm motion parameters and grinding force can be accurately quantified, the situation that bone tissue is excessively damaged due to the fact that the grinding force is too large or the grinding efficiency is low due to the fact that the grinding force is insufficient is effectively avoided, and the safety of clinical operation is guaranteed.

The utility model relates to ultrasonic fabric processing equipment which comprises a working table, at least one group of ultrasonic processing mechanisms are arranged on the working table, a through hole is formed in the top of the working table, an operation part is fixed in the through hole, and a processing groove is formed in the operation part. The ultrasonic machining mechanism comprises a lower pressing plate arranged in the machining groove, an ultrasonic body assembly fixed to the lower end of the lower pressing plate and a pressing plate frame arranged at the upper end of the operation part, a plurality of pushing air cylinders are arranged on the pressing plate frame, and upper pressing plates corresponding to the lower pressing plate are arranged at the pushing ends of the pushing air cylinders. According to the ultrasonic fabric processing equipment, the technical problems that an existing ultrasonic fabric processing equipment is complex in structure, small in pressing area and low in working efficiency are solved.

The invention relates to a multi-mode sensing intelligent ultrasonic main shaft active damping regulation and control method and a multi-mode sensing intelligent ultrasonic main shaft active damping regulation and control system. The method comprises the following steps: establishing a system dynamics model by using a frequency response test to obtain a state space model and an observation model; constructing a Kalman filtering observer to obtain estimated values of the displacement and the speed of the tool nose; establishing and solving a minimum cost function to obtain a damping control law; based on the damping control law, damping control force is obtained, and the damping control force is converted into a voltage signal corresponding to the damping control force; performing amplitude modulation on the carrier signal to obtain a low-frequency damping control signal; mixing the low-frequency damping control signal with a high-frequency driving signal for ultrasonic processing to generate a frequency mixing signal, and generating a power frequency mixing driving signal from the frequency mixing signal; and acting the power mixing driving signal on an ultrasonic knife handle through an ultrasonic main shaft. The ultrasonic machining stability and machining quality can be improved.

In accordance with at least one aspect of this disclosure, a method includes installing a welding tool into a repair tool holder, ultrasonic welding a repair sheet to a part to be repaired with the welding tool, removing the welding tool from the repair tool holder, installing a machining tool into the repair tool holder, and ultrasonic machining a portion of the repair sheet that is welded to the part to be repaired to match an a predetermined geometry of the part to be repaired with the machining tool.

This invention relates to the field of ultrasonic machining technology, and particularly to a method, apparatus, equipment, and storage medium for optimizing parameters in electrophoresis-assisted ultrasonic machining. The method solves the problems of high cost and complex operation in determining machining parameters through experiments in existing technologies. By replacing traditional experiments with simulation, optimized parameters can be obtained efficiently, significantly reducing R&D costs, time consumption, and operational difficulty. The combination of multi-physics field coupling simulation and motion trajectory equations can accurately simulate the synergistic effects of multiple fields in actual machining, and theoretically reveal the mechanism of abrasive particle motion, ensuring the scientific validity and reliability of the optimized parameters. This allows abrasive particles to stably aggregate in the machining area, improving abrasive particle utilization and machining effect. The optimized ultrasonic system structural parameters and electric field parameters can directly guide the design and process adjustment of actual machining equipment, effectively improving machining efficiency and quality, and providing complete technical support for the promotion and application of electrophoresis-assisted ultrasonic machining technology.